CA2668056C - Device and method for postprocessing spectral values and encoder and decoder for audio signals - Google Patents

Device and method for postprocessing spectral values and encoder and decoder for audio signals Download PDF

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Publication number
CA2668056C
CA2668056C CA2668056A CA2668056A CA2668056C CA 2668056 C CA2668056 C CA 2668056C CA 2668056 A CA2668056 A CA 2668056A CA 2668056 A CA2668056 A CA 2668056A CA 2668056 C CA2668056 C CA 2668056C
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blocks
spectral
spectral values
sequence
values
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French (fr)
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CA2668056A1 (en
Inventor
Bernd Edler
Ralf Geiger
Christian Ertel
Johannes Hilpert
Harald Popp
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
CA2668056A 2006-11-02 2007-09-28 Device and method for postprocessing spectral values and encoder and decoder for audio signals Active CA2668056C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006051673.7 2006-11-02
DE102006051673A DE102006051673A1 (de) 2006-11-02 2006-11-02 Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
PCT/EP2007/008477 WO2008052627A1 (en) 2006-11-02 2007-09-28 Device and method for postprocessing spectral values and encoder and decoder for audio signals

Publications (2)

Publication Number Publication Date
CA2668056A1 CA2668056A1 (en) 2008-05-08
CA2668056C true CA2668056C (en) 2014-07-29

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CA2668056A Active CA2668056C (en) 2006-11-02 2007-09-28 Device and method for postprocessing spectral values and encoder and decoder for audio signals

Country Status (21)

Country Link
US (1) US8321207B2 (pl)
EP (2) EP1964111B1 (pl)
JP (1) JP5301451B2 (pl)
KR (1) KR101090541B1 (pl)
CN (1) CN101553870B (pl)
AT (1) ATE489703T1 (pl)
AU (2) AU2007315373B2 (pl)
BR (1) BRPI0716308B1 (pl)
CA (1) CA2668056C (pl)
DE (2) DE102006051673A1 (pl)
ES (2) ES2354743T3 (pl)
IL (1) IL198192A (pl)
MX (1) MX2009004639A (pl)
MY (2) MY156427A (pl)
NO (2) NO341615B1 (pl)
PL (2) PL1964111T3 (pl)
PT (1) PT2264699T (pl)
RU (1) RU2423740C2 (pl)
TR (1) TR201903942T4 (pl)
TW (1) TWI350068B (pl)
WO (1) WO2008052627A1 (pl)

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BRPI0718738B1 (pt) 2006-12-12 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo
EP2099027A1 (en) * 2008-03-05 2009-09-09 Deutsche Thomson OHG Method and apparatus for transforming between different filter bank domains
PL2301020T3 (pl) * 2008-07-11 2013-06-28 Fraunhofer Ges Forschung Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu
JP5914527B2 (ja) 2011-02-14 2016-05-11 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法
WO2012110476A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based coding scheme using spectral domain noise shaping
TR201903388T4 (tr) 2011-02-14 2019-04-22 Fraunhofer Ges Forschung Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi.
PL2550653T3 (pl) * 2011-02-14 2014-09-30 Fraunhofer Ges Forschung Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej
EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
JP6185457B2 (ja) * 2011-04-28 2017-08-23 ドルビー・インターナショナル・アーベー 効率的なコンテンツ分類及びラウドネス推定
KR20150032614A (ko) * 2012-06-04 2015-03-27 삼성전자주식회사 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기
PL2959481T3 (pl) 2013-02-20 2017-10-31 Fraunhofer Ges Forschung Urządzenie i sposób generowania zakodowanego sygnału audio lub dekodowania zakodowanego sygnału audio przy użyciu części wielozakładkowej
EP2830058A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequency-domain audio coding supporting transform length switching
SG11201601298WA (en) 2013-08-23 2016-03-30 Fraunhofer Ges Forschung Apparatus and method for processing an audio signal using an aliasing error signal
EP3483881B1 (en) 2013-11-13 2024-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder for encoding an audio signal, audio transmission system and method for determining correction values
EP3998605A1 (en) * 2014-06-10 2022-05-18 MQA Limited Digital encapsulation of audio signals
MY196436A (en) * 2016-01-22 2023-04-11 Fraunhofer Ges Forschung Apparatus and Method for Encoding or Decoding a Multi-Channel Signal Using Frame Control Synchronization
US10448053B2 (en) * 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
US10390048B2 (en) 2016-02-15 2019-08-20 Qualcomm Incorporated Efficient transform coding using optimized compact multi-pass transforms
US10349085B2 (en) 2016-02-15 2019-07-09 Qualcomm Incorporated Efficient parameter storage for compact multi-pass transforms
EP3382701A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for post-processing an audio signal using prediction based shaping
US11348594B2 (en) * 2020-06-11 2022-05-31 Qualcomm Incorporated Stream conformant bit error resilience

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Also Published As

Publication number Publication date
NO341615B1 (no) 2017-12-11
NO20092125L (no) 2009-05-29
BRPI0716308B1 (pt) 2020-10-06
MX2009004639A (es) 2009-06-26
JP2010508550A (ja) 2010-03-18
JP5301451B2 (ja) 2013-09-25
AU2007315373A8 (en) 2009-06-11
NO20171179A1 (no) 2009-05-29
EP1964111B1 (en) 2010-11-24
BRPI0716308A8 (pt) 2019-01-15
WO2008052627A1 (en) 2008-05-08
MY156427A (en) 2016-02-26
IL198192A (en) 2014-05-28
RU2423740C2 (ru) 2011-07-10
ATE489703T1 (de) 2010-12-15
EP2264699A3 (en) 2012-10-10
EP1964111A1 (en) 2008-09-03
KR20090085047A (ko) 2009-08-06
TW200836492A (en) 2008-09-01
AU2011200509A1 (en) 2011-03-03
EP2264699A2 (en) 2010-12-22
HK1120328A1 (en) 2009-03-27
DE602007010721D1 (de) 2011-01-05
ES2720871T3 (es) 2019-07-25
PL1964111T3 (pl) 2011-05-31
MY181471A (en) 2020-12-22
US8321207B2 (en) 2012-11-27
AU2007315373B2 (en) 2011-03-17
ES2354743T3 (es) 2011-03-17
AU2011200509B2 (en) 2011-12-08
IL198192A0 (en) 2009-12-24
AU2007315373A1 (en) 2008-05-08
EP2264699B1 (en) 2018-12-19
TWI350068B (en) 2011-10-01
BRPI0716308A2 (pt) 2015-05-19
KR101090541B1 (ko) 2011-12-08
RU2009117571A (ru) 2010-12-10
US20100017213A1 (en) 2010-01-21
CA2668056A1 (en) 2008-05-08
PT2264699T (pt) 2019-04-02
CN101553870A (zh) 2009-10-07
NO343261B1 (no) 2019-01-14
PL2264699T3 (pl) 2019-06-28
TR201903942T4 (tr) 2019-04-22
DE102006051673A1 (de) 2008-05-15
CN101553870B (zh) 2012-07-18

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